- Canon Name:
- Although the hints are in a not-so hidden part of the first level, Quake III: Arena officially called the Player Character "Bitterman".
- The manuals and the pods near the respective starting points (and cutscenes) also reveal the names of both player characters from The Reckoning and Ground Zero: Joker and Stepchild. Also, due to the reuse of the Ground Zero opening and ending cinematics, Stepchild is also the Player Character of the PSX version.
- Dolled-Up Installment: The game was originally supposed to be entirely unrelated to the Quake series, and was only given the Quake name when the original name Id wanted to give the game turned out to be unusable for trademark reasons. Since then, the Quake name has mostly come to be associated with the Strogg story arc, but that's not surprisingly given the disjointed, random events Excuse Plot that was the original Quake. Quake III: Arena would incorporate characters from both games, which at least placed them all in the same universe, even if they otherwise had nothing to do with each other.
- Hey, It's That Sound!: Several sounds were recycled from the first Quake game:
- The Nailgun shot sound was reused as the sound for the ETF Rifle's shot in Ground Zero.
- The player jump sound was reused as well.
- The Prox Launcher sounds from Quake Mission Pack No. 1: Scourge of Armagon were reused for the Prox Launcher in Ground Zero.
- Prop Recycling: The PSX version recycles the opening and ending cutscene of Ground Zero.
- Technology Marches On: In the game proper, one of the items you often have to retrieve are data CDs (DVDs were in their infancy when the game was released, not to speak of USB drives).
Trivia / Quake II